Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a menor venda da BP?
 ###Tabelas: CREATE TABLE end-user_power_tariffs (end-user_power_tariffs_id AUTO_INCREMENT PRIMARY KEY, User VARCHAR, Unit (kWh)/Time range VARCHAR, Tariff ( Rs. /kWh) VARCHAR, Fixed Charge ( Rs. /kWh) VARCHAR, Fuel Adjustment Charge (% of Total Energy Charge) VARCHAR, Max. Demand Charge ( Rs. /kVA) VARCHAR) CREATE TABLE double_premiership_teams (double_premiership_teams_id AUTO_INCREMENT PRIMARY KEY, Season INT, Premier VARCHAR, Runner Up VARCHAR, Score VARCHAR, Venue VARCHAR, Attendance INT, Premiership VARCHAR) CREATE TABLE guernsey_records (guernsey_records_id AUTO_INCREMENT PRIMARY KEY, Fish VARCHAR, Guernsey Record VARCHAR, Year VARCHAR, Location VARCHAR, British Record VARCHAR) CREATE TABLE 2005_list (2005_list_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Company VARCHAR, Country VARCHAR, Industry VARCHAR, Sales (billion $) INT, Profits (billion $) INT, Assets (billion $) INT, Market Value (billion $) INT) CREATE TABLE a_lyga (a_lyga_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Games played INT, Wins INT, Draws INT, Loses INT, Goals scored INT, Goals conceded INT, Points INT)  
SELECT MIN Sales (billion $) FROM 2005_list WHERE Company = bp